Table 2:

Typical parameters for a ¹H-¹³C cross-polarization experiment.

MAS rate: 25 kHz (rotor period, τr = 40 μs)
Pulse	Power (kHz)	Duration (μs)	Phase
pH,1(π/2)	110	2.27	y,−y
pH,2	Linear ramp: 50 to 100	2,000	x
pC,1	50	2000	x,x,y,y,−x,−x,−y,−y
pC,2	0*	5	y,y,−x,−x,−y,−y,x,x
ϕReceiver		x,−x,y,−y,−x,x,−y,y
Delay	Duration
d1	2 s

Decoupling period	Power (kHz)	Method
dec1	100	TPPM
comments	*zero except during calibration